CORRESPONDENCE.

Autor: Thomas, Adrian, Sloan, Mary, Simson, John D., Jeffrey, David, Mansfield, S., Shiepe, Colin, Beadford, R., Mendoza, Nigel, Bocanegra, Tomas E., Tobert, Jonathan A., O'Connor, Patricia, Elery, John, Cavenagh, A.J.M., Mindlin, Miranda, Frice, V.B., Wallace, W.A., Elliott, I.A., Macpherson, M.D.A.

Publikováno v: BMJ: British Medical Journal (International Edition); 5/5/90, Vol. 300 Issue 6733, p1194, 6p, 1 Chart